oj.uz

Submission #1063346

# Submission time Handle Problem Language Result Execution time Memory
1063346 2024-08-17T17:05:17 Z jamjanek Connecting Supertrees (IOI20_supertrees) C++14
100 / 100
 163 ms 24148 KB 
#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;

int father1[1010], father[1010], father3[1010];
int find1(int x){
	if(father1[x]==x)return x;
	return father1[x] = find1(father1[x]);
}
int find2(int x){
	if(father[x]==x)return x;
	return father[x] = find2(father[x]);
}
vector<int>cykle[1010];

int construct(std::vector<std::vector<int>> p) {
	int n = p.size(), i, j;
	for(i=0;i<n;i++)father[i] = father1[i] = i;
	std::vector<std::vector<int>> answer = p;
	for(i=0;i<n;i++)
		for(j=0;j<n;j++)
			answer[i][j] = 0;
	for(i=0;i<n;i++)
		for(j=0;j<n;j++){
			if(p[i][j]==3 || (i==j && p[i][j]!=1) || (p[i][j]!=p[j][i]))
				return 0;
			if(p[i][j]>0)
				father1[find1(i)] = find1(j);
			if(p[i][j]==1 && find2(i)!=find2(j)){
				father[find2(i)] = find2(j);
				answer[i][j] = answer[j][i] = 1;
			}
		}
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			if(p[i][j]==0 && find1(i)==find1(j))return 0;
			if(p[i][j]>0 && find1(i)!=find1(j))return 0;
		}
	}
	for(i=0;i<n;i++)
		for(j=0;j<n;j++)
			if(p[i][j]==2 && find2(i)==find2(j))
				return 0;
	for(i=0;i<n;i++)
		if(find2(i)==i){
			int mini = i;
			for(j=0;j<i;j++)
				if(p[i][j]==2 && find2(j)==j && j<mini){
					mini = j;
				}
			if(mini!=i)
				cykle[mini].push_back(i);
		}
	for(int j=0;j<n;j++){
		if(cykle[j].size()==1)return 0;
		if(cykle[j].size())cykle[j].push_back(j);
		assert(cykle[j].size()>2 || cykle[j].size()==0);
		for(i=0;i<(int)cykle[j].size();i++){
			int mod = cykle[j].size();
			answer[cykle[j][i]][cykle[j][(i+1)%mod]] = 1;
			answer[cykle[j][(i+1)%mod]][cykle[j][i]] = 1;
		}
	}
	build(answer);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 123 ms 23728 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 123 ms 23728 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1216 KB Output is correct
13 Correct 127 ms 23844 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 67 ms 13904 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 32 ms 6236 KB Output is correct
21 Correct 124 ms 23888 KB Output is correct
22 Correct 130 ms 23708 KB Output is correct
23 Correct 133 ms 23888 KB Output is correct
24 Correct 143 ms 23888 KB Output is correct
25 Correct 95 ms 13968 KB Output is correct
26 Correct 52 ms 13900 KB Output is correct
27 Correct 132 ms 23808 KB Output is correct
28 Correct 134 ms 23888 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 7 ms 1216 KB Output is correct
9 Correct 163 ms 23980 KB Output is correct
10 Correct 0 ms 460 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 7 ms 1380 KB Output is correct
13 Correct 158 ms 24096 KB Output is correct
14 Correct 0 ms 356 KB Output is correct
15 Correct 0 ms 360 KB Output is correct
16 Correct 3 ms 1000 KB Output is correct
17 Correct 68 ms 14260 KB Output is correct
18 Correct 0 ms 360 KB Output is correct
19 Correct 0 ms 360 KB Output is correct
20 Correct 0 ms 360 KB Output is correct
21 Correct 34 ms 6256 KB Output is correct
22 Correct 130 ms 23984 KB Output is correct
23 Correct 136 ms 23936 KB Output is correct
24 Correct 159 ms 24148 KB Output is correct
25 Correct 67 ms 14164 KB Output is correct
26 Correct 56 ms 14028 KB Output is correct
27 Correct 132 ms 24112 KB Output is correct
28 Correct 162 ms 24100 KB Output is correct
29 Correct 62 ms 14160 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 56 ms 6292 KB Output is correct
5 Correct 122 ms 24144 KB Output is correct
6 Correct 135 ms 24144 KB Output is correct
7 Correct 131 ms 24148 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 32 ms 6240 KB Output is correct
10 Correct 126 ms 24144 KB Output is correct
11 Correct 121 ms 23892 KB Output is correct
12 Correct 140 ms 23976 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 31 ms 6260 KB Output is correct
17 Correct 123 ms 24096 KB Output is correct
18 Correct 128 ms 24144 KB Output is correct
19 Correct 124 ms 23972 KB Output is correct
20 Correct 122 ms 24100 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 123 ms 23728 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1216 KB Output is correct
13 Correct 127 ms 23844 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 67 ms 13904 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 32 ms 6236 KB Output is correct
21 Correct 124 ms 23888 KB Output is correct
22 Correct 130 ms 23708 KB Output is correct
23 Correct 133 ms 23888 KB Output is correct
24 Correct 143 ms 23888 KB Output is correct
25 Correct 95 ms 13968 KB Output is correct
26 Correct 52 ms 13900 KB Output is correct
27 Correct 132 ms 23808 KB Output is correct
28 Correct 134 ms 23888 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 7 ms 1216 KB Output is correct
37 Correct 163 ms 23980 KB Output is correct
38 Correct 0 ms 460 KB Output is correct
39 Correct 0 ms 352 KB Output is correct
40 Correct 7 ms 1380 KB Output is correct
41 Correct 158 ms 24096 KB Output is correct
42 Correct 0 ms 356 KB Output is correct
43 Correct 0 ms 360 KB Output is correct
44 Correct 3 ms 1000 KB Output is correct
45 Correct 68 ms 14260 KB Output is correct
46 Correct 0 ms 360 KB Output is correct
47 Correct 0 ms 360 KB Output is correct
48 Correct 0 ms 360 KB Output is correct
49 Correct 34 ms 6256 KB Output is correct
50 Correct 130 ms 23984 KB Output is correct
51 Correct 136 ms 23936 KB Output is correct
52 Correct 159 ms 24148 KB Output is correct
53 Correct 67 ms 14164 KB Output is correct
54 Correct 56 ms 14028 KB Output is correct
55 Correct 132 ms 24112 KB Output is correct
56 Correct 162 ms 24100 KB Output is correct
57 Correct 62 ms 14160 KB Output is correct
58 Correct 0 ms 344 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 3 ms 860 KB Output is correct
61 Correct 66 ms 14100 KB Output is correct
62 Correct 1 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 31 ms 6236 KB Output is correct
66 Correct 84 ms 14164 KB Output is correct
67 Correct 55 ms 14160 KB Output is correct
68 Correct 54 ms 14244 KB Output is correct
69 Correct 69 ms 14224 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 5 ms 1372 KB Output is correct
7 Correct 123 ms 23728 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 5 ms 1216 KB Output is correct
13 Correct 127 ms 23844 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 67 ms 13904 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 32 ms 6236 KB Output is correct
21 Correct 124 ms 23888 KB Output is correct
22 Correct 130 ms 23708 KB Output is correct
23 Correct 133 ms 23888 KB Output is correct
24 Correct 143 ms 23888 KB Output is correct
25 Correct 95 ms 13968 KB Output is correct
26 Correct 52 ms 13900 KB Output is correct
27 Correct 132 ms 23808 KB Output is correct
28 Correct 134 ms 23888 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 7 ms 1216 KB Output is correct
37 Correct 163 ms 23980 KB Output is correct
38 Correct 0 ms 460 KB Output is correct
39 Correct 0 ms 352 KB Output is correct
40 Correct 7 ms 1380 KB Output is correct
41 Correct 158 ms 24096 KB Output is correct
42 Correct 0 ms 356 KB Output is correct
43 Correct 0 ms 360 KB Output is correct
44 Correct 3 ms 1000 KB Output is correct
45 Correct 68 ms 14260 KB Output is correct
46 Correct 0 ms 360 KB Output is correct
47 Correct 0 ms 360 KB Output is correct
48 Correct 0 ms 360 KB Output is correct
49 Correct 34 ms 6256 KB Output is correct
50 Correct 130 ms 23984 KB Output is correct
51 Correct 136 ms 23936 KB Output is correct
52 Correct 159 ms 24148 KB Output is correct
53 Correct 67 ms 14164 KB Output is correct
54 Correct 56 ms 14028 KB Output is correct
55 Correct 132 ms 24112 KB Output is correct
56 Correct 162 ms 24100 KB Output is correct
57 Correct 62 ms 14160 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 56 ms 6292 KB Output is correct
62 Correct 122 ms 24144 KB Output is correct
63 Correct 135 ms 24144 KB Output is correct
64 Correct 131 ms 24148 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 32 ms 6240 KB Output is correct
67 Correct 126 ms 24144 KB Output is correct
68 Correct 121 ms 23892 KB Output is correct
69 Correct 140 ms 23976 KB Output is correct
70 Correct 0 ms 344 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 31 ms 6260 KB Output is correct
74 Correct 123 ms 24096 KB Output is correct
75 Correct 128 ms 24144 KB Output is correct
76 Correct 124 ms 23972 KB Output is correct
77 Correct 122 ms 24100 KB Output is correct
78 Correct 0 ms 344 KB Output is correct
79 Correct 1 ms 348 KB Output is correct
80 Correct 3 ms 860 KB Output is correct
81 Correct 66 ms 14100 KB Output is correct
82 Correct 1 ms 348 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 31 ms 6236 KB Output is correct
86 Correct 84 ms 14164 KB Output is correct
87 Correct 55 ms 14160 KB Output is correct
88 Correct 54 ms 14244 KB Output is correct
89 Correct 69 ms 14224 KB Output is correct
90 Correct 0 ms 348 KB Output is correct
91 Correct 0 ms 460 KB Output is correct
92 Correct 3 ms 860 KB Output is correct
93 Correct 72 ms 14244 KB Output is correct
94 Correct 1 ms 348 KB Output is correct
95 Correct 1 ms 344 KB Output is correct
96 Correct 1 ms 348 KB Output is correct
97 Correct 13 ms 3932 KB Output is correct
98 Correct 56 ms 14116 KB Output is correct
99 Correct 53 ms 14224 KB Output is correct
100 Correct 56 ms 14160 KB Output is correct
101 Correct 50 ms 14244 KB Output is correct
102 Correct 65 ms 14228 KB Output is correct
103 Correct 81 ms 14100 KB Output is correct
104 Correct 53 ms 14032 KB Output is correct
105 Correct 56 ms 14240 KB Output is correct